| Answer | Crossword Clue |
|---|---|
| NONSLIP | Designed to increase traction |
| bolsters | A short timber cap over a post designed to increase the bearing of the beams it supports |
| sponson | protuberance at the side of a flying-boat hull, designed to increase lateral stability in the water |
| wigglers | A magnet designed to make a beam of particles in an accelerator follow a sinusoidal path, in order to increase the amount of radiation they produce |
